Better hints on mousehover
-rw-r--r-- 1319 README.md
-rw-r--r-- 757 RPS_network_2.dot
-rw-r--r-- 12070 RPS_network_2.svg
drwxr-xr-x - css
drwxr-xr-x - img
-rw-r--r-- 2744 index.html
drwxr-xr-x - js